﻿/*----------------------------------------------------------------
// Copyright (C) 梦幻天堂
// 版权所有。 
//
// 文件名：ConfigHelper.cs
// 文件功能描述：web.config操作类
//
// 
// 创建标识：田银
// 创建时间：2011/11/7
//
//修改标识：
//修改描述：
//
//----------------------------------------------------------------*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Configuration;

namespace LYM.CommonWeb
{
    /// <summary>
    /// web.config操作类
    /// Copyright (C) Maticsoft
    /// </summary>
    public sealed class ConfigHelper
    {
        /// <summary>
        /// 得到AppSettings中的配置字符串信息
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static string GetConfigString(string key)
        {
            string CacheKey = "AppSettings-" + key;
            object objModel = DataCache.GetCache(CacheKey);
            if (objModel == null)
            {
                try
                {
                    objModel = ConfigurationManager.AppSettings[key];
                    if (objModel != null)
                    {
                        DataCache.Insert(CacheKey, objModel,null, DateTime.Now.AddMinutes(180), TimeSpan.Zero);
                    }
                }
                catch
                { }
            }
            return objModel.ToString();
        }

        /// <summary>
        /// 得到connectionStrings中的配置字符串信息
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static string GetConnectionString(string key)
        {
            string CacheKey = "ConnectionString-" + key;
            object objModel = DataCache.GetCache(CacheKey);
            if (objModel == null)
            {
                try
                {
                    objModel = System.Configuration.ConfigurationManager.ConnectionStrings[key].ConnectionString;
                    if (objModel != null)
                    {
                        DataCache.Insert(CacheKey, objModel,null,DateTime.Now.AddMinutes(180), TimeSpan.Zero);
                    }
                }
                catch
                { }
            }
            return objModel.ToString();
        }

        /// <summary>
        /// 得到AppSettings中的配置Bool信息
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static bool GetConfigBool(string key)
        {
            bool result = false;
            string cfgVal = GetConfigString(key);
            if (null != cfgVal && string.Empty != cfgVal)
            {
                try
                {
                    result = bool.Parse(cfgVal);
                }
                catch (FormatException)
                {
                    // Ignore format exceptions.
                }
            }
            return result;
        }

        /// <summary>
        /// 得到AppSettings中的配置int信息
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static int GetConfigInt(string key)
        {
            int result = 0;
            string cfgVal = GetConfigString(key);
            if (null != cfgVal && string.Empty != cfgVal)
            {
                try
                {
                    result = int.Parse(cfgVal);
                }
                catch (FormatException)
                {
                    // Ignore format exceptions.
                }
            }

            return result;
        }
    }
}
